Dr. David Christopher Gajzer, MD
- Medicare services, 2024
- 597
- Medicare patients, 2024
- 242
- MIPS score, 2024
- 94
- Hospital affiliations
- 3
- Industry payments
- $19
- Practice address
- One Gustave L Levy Place, New York, NY 10029
- Practice phone
- Call (212) 241-7981
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gajzer's professional email, personal email and mobile number
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Dr. David Christopher Gajzer is a clinical pathology/laboratory medicine physician in New York, New York
Dr. Gajzer practices at The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System.
Dr. Gajzer's NPI, 1124430095, was assigned on May 28, 2014. Dr. Gajzer holds Washington license MD61178293.
- NPI
- 1124430095NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012312069
- NPI enumeration date
- May 28, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 241-7981
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Christopher Gajzer practices at 2 locations in New York, New York
Dr. Gajzer's primary practice is The Mount Sinai Hospital, at One Gustave L Levy Place, New York, NY 10029 in New York County. The practice phone is (212) 241-7981. Dr. Gajzer also practices at The Mount Sinai Hospital, 1 Gustave L Levy Pl, New York, NY 10029.
- The Mount Sinai HospitalPrimaryOne Gustave L Levy Place, New York, NY 10029 · New York CountyPhone(212) 241-7981
- The Mount Sinai Hospital1 Gustave L Levy Pl, New York, NY 10029 · New York CountyPhone(212) 256-2904
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. David Christopher Gajzer is affiliated with 4 sites of care and 2 medical groups
Dr. Gajzer's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dr. Gajzer is also affiliated with UW Medical Center - Montlake. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Gajzer to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Christopher Gajzer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gajzer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Mount Sinai Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. David Christopher Gajzer is one of 65 clinical pathology/laboratory medicine physicians in New York
Clinical pathology/laboratory medicine is Dr. Gajzer's primary specialty in the NPI Registry, under taxonomy code 207ZP0105X. Dr. Gajzer is board certified in hematopathology by the American Board of Pathology. Dr. Gajzer is licensed in Washington.
Specialties and state licenses
- Clinical pathology/laboratory medicine, WashingtonPrimary
Clinical pathology/laboratory medicine physicians near Dr. Gajzer
Counts of clinical pathology/laboratory medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Christopher Gajzer billed Medicare for 597 services in 2024
CMS data shows 597 Medicare services from Dr. Gajzer across 12 procedure codes in 2024, for 242 Medicare patients. Medicare paid $23,483 for them.
Dr. Gajzer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 4222024: 59741%
Where Dr. Gajzer's Medicare services took place, 2024
- In an office31553%
- In a facility28247%
Dr. Gajzer compared with the New York median for clinical pathology/laboratory medicine physicians, 2024
- Dr. Gajzer
- New York median
- Medicare services
- 597vs 6468% below
- Medicare patients
- 242vs 28816% below
Medians across 64 clinical pathology/laboratory medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Gajzer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Christopher Gajzer treated 242 Medicare patients in 2024, average age 73
CMS counts 242 Medicare patients who saw Dr. Gajzer in 2024. The largest group is 65 to 74, with 139 patients. 70% of them have high blood pressure, and 65% have high cholesterol. 9% are also on Medicaid. Their average risk score is 2.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gajzer's median patient age at 61, with 49% women.
Dr. Gajzer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gajzer's Medicare patients by sex, 2024
- Women10543%
- Men13757%
Chronic conditions among Dr. Gajzer's Medicare patients, 2024
- High blood pressure70%
- High cholesterol65%
- Arthritis39%
- Chronic kidney disease31%
- Ischemic heart disease31%
- Anxiety30%
- Atrial fibrillation26%
- Diabetes24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gajzer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Christopher Gajzer scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Gajzer for performance year 2024, reported through an alternative payment model (APM). Dr. Gajzer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gajzer's MIPS scores, performance year 2024
- 94of 100Final score
- 74.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. David Christopher Gajzer received $19 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Gajzer from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $19.
Companies that paid Dr. Gajzer the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Christopher Gajzer is board certified in hematopathology
- Board certified in hematopathology
Source: Dmand AI Professional Profile Data
Sources for Dr. David Christopher Gajzer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David Christopher Gajzer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David Christopher Gajzer's NPI number?
Dr. David Christopher Gajzer's NPI number is 1124430095. It was assigned on May 28, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. David Christopher Gajzer?
Dr. David Christopher Gajzer is a clinical pathology/laboratory medicine physician in New York, New York. The primary specialty in the NPI Registry is Clinical Pathology/Laboratory Medicine Physician (taxonomy code 207ZP0105X).
Where does Dr. David Christopher Gajzer practice?
Dr. Gajzer practices at One Gustave L Levy Place, New York, NY 10029. Dr. Gajzer also practices at 1 Gustave L Levy Pl, New York, NY 10029. Dr. Gajzer's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Gajzer to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. David Christopher Gajzer's office phone number?
The practice phone on file for Dr. Gajzer is (212) 241-7981.
What is Dr. David Christopher Gajzer's medical license number?
Dr. Gajzer holds Washington license MD61178293.
Which hospitals is Dr. David Christopher Gajzer affiliated with?
Dr. Gajzer practices at The Mount Sinai Hospital in New York, New York. Dr. Gajzer is also affiliated with UW Medical Center - Montlake. Dmand AI links Dr. Gajzer to 1 more hospital.
What medical group is Dr. David Christopher Gajzer part of?
Dr. Gajzer is linked to Mount Sinai Institute for Liver Medicine. Dmand AI links Dr. Gajzer to 1 more medical group.
Does Dr. David Christopher Gajzer accept Medicare?
Yes. CMS data shows Dr. Gajzer billed Medicare for 597 services in 2024, and Dr. Gajzer accepts Medicare assignment.
What is Dr. David Christopher Gajzer's MIPS score?
Dr. Gajzer's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. David Christopher Gajzer see?
CMS counts 242 Medicare patients who saw Dr. Gajzer in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
Is Dr. David Christopher Gajzer board certified?
Yes. Dr. Gajzer is board certified in hematopathology by the American Board of Pathology.
What services does Dr. David Christopher Gajzer bill to Medicare?
In 2024, Dr. Gajzer's most billed Medicare services were lab and pathology test (88341), lab and pathology test (88189) and lab and pathology test (88188).
Has Dr. David Christopher Gajzer received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Gajzer from 1 company from 2018 to 2018. The largest total came from Amgen Inc.
How long has Dr. David Christopher Gajzer been practicing?
Dr. Gajzer graduated from medical school in 2009, 17 years ago.
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